| Patents for G11B 7 - Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor (102,715) |
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| 02/18/1998 | EP0824230A2 Holographic process and media therefor |
| 02/18/1998 | EP0824222A1 Photo recording medium |
| 02/18/1998 | EP0824217A2 Optical materials |
| 02/18/1998 | CN1173943A Overcoat or optical recording medium |
| 02/18/1998 | CN1173942A Optical disk, optical reocorder, optical reproducing device, encrypted communication system, and authorzing system for use of program |
| 02/18/1998 | CN1173941A Method and unit for recording optical information |
| 02/18/1998 | CN1173706A Magnetooptical recording/reproducing apparatus |
| 02/18/1998 | CN1173705A Optical recording medium, method for recording/reproducing optical recording medium and apparatus for recording/reproducing optical recording medium |
| 02/18/1998 | CN1173704A Automatic laser power control circuit |
| 02/18/1998 | CN1173703A Optical pickup system capable of selectively reading multiple number of optical disks |
| 02/18/1998 | CN1173702A Device for reading from and/or writing to optical recording media |
| 02/18/1998 | CN1173701A Optical type cartridge |
| 02/18/1998 | CN1173700A Information recording and reproduction method and its device |
| 02/18/1998 | CN1173699A Optical disk, optical disk device and optical disk recording method |
| 02/18/1998 | CN1173697A Vcd学习机 Vcd learning machine |
| 02/17/1998 | US5719886 System for optically recording/reproducing multimedia information using code data |
| 02/17/1998 | US5719850 Optical storage medium with first layer containing optically readable information overlying second layer containing visible information |
| 02/17/1998 | US5719848 Optical pickup system with independently movable multioptical elements |
| 02/17/1998 | US5719847 Optical disk player having waveform distortion compensating function |
| 02/17/1998 | US5719846 Deformable mirror and method for fabricating the same and apparatus using a deformable mirror |
| 02/17/1998 | US5719845 Optical pick-up device composed of composite prism made of uniaxial crystal and non-axial crystal |
| 02/17/1998 | US5719842 Method and apparatus for recording digital signals, medium for recording digital signals, and method and apparatus for transmitting digital signals |
| 02/17/1998 | US5719841 Method and apparatus for recording and/or reproducing from recording media |
| 02/17/1998 | US5719840 Apparatus for detecting defects on a disk surface |
| 02/17/1998 | US5719839 Optical information recording/reproducing apparatus incorporating memory for accumulating recording and reproduction data |
| 02/17/1998 | US5719838 β compensation using a defocus technique |
| 02/17/1998 | US5719836 Optical seeking method and apparatus generating track count signal from tracking error signal and data signal |
| 02/17/1998 | US5719835 Light detecting device for receiving light from corresponding portions of a recording medium |
| 02/17/1998 | US5719834 Objective lens driving apparatus and method including visco-elastic support for a magnetic circuit which allows translation of the magnetic circuit without pivoting or rotating there of |
| 02/17/1998 | US5719832 Optical recording apparatus using optical fibers for guiding laser beams |
| 02/17/1998 | US5719830 High-density magneto-optical disk apparatus |
| 02/17/1998 | US5719691 Phase correlation multiplex holography |
| 02/17/1998 | US5719614 Optical reading and recording device containing a radiation source which has a substantially constant mean heat dissipation during reading and recording |
| 02/17/1998 | US5719389 Composite optical device |
| 02/17/1998 | US5719006 Multilayer; transparent substrate; dielectric, recording, reflecting layers |
| 02/17/1998 | US5718993 Information recording medium |
| 02/17/1998 | US5718961 Recording film changes between crystalline and amorphous states; high recording sensitivity and high thermal stability |
| 02/17/1998 | US5718960 Bonded composite disk, and method and apparatus for producing the same with consistent adhesive thickness |
| 02/12/1998 | WO1998006095A1 Positioning an optical beam |
| 02/12/1998 | WO1998006059A1 Method and system for detecting localized birefringence defects in a dynamic global birefringence field |
| 02/11/1998 | EP0823706A1 Zirconia ceramic as a digital storage media |
| 02/11/1998 | EP0823705A1 Optical pickup and optical element used therefor |
| 02/11/1998 | EP0823704A2 Track-counting circuit in an optical disk drive |
| 02/11/1998 | EP0823442A2 Polymers with photosensitive side chains |
| 02/11/1998 | EP0823432A2 Phthalocyanine compounds and their use as rewritable optical recording material |
| 02/11/1998 | CN1173017A Optical disk and process for producing the same |
| 02/11/1998 | CN1173016A Information recording method and information recordig device |
| 02/11/1998 | CN1173015A Tracking control apparatus and method |
| 02/11/1998 | CN1173014A Optical recording medium for checking compatibility of optical pickup device and method of checking optical pickup device using the same |
| 02/11/1998 | CN1173013A Recording-medium driving apparatus and recording-medium driving method |
| 02/11/1998 | CN1173012A Information recording/reproducing apparatus and method thereof |
| 02/11/1998 | CN1172824A Torsional nematic film and its preparation method and displaying device comtaining said film |
| 02/10/1998 | US5717814 Variable-content video retriever |
| 02/10/1998 | US5717683 Optical disk and optical disk drive device |
| 02/10/1998 | US5717682 Optical disk having information pits of different lengths and shapes |
| 02/10/1998 | US5717679 System for noise-free detection of wobbles of optical disk pregrooves |
| 02/10/1998 | US5717678 Optical pickup device for accessing each of optical disks of different types |
| 02/10/1998 | US5717677 Data erasure device and data recording device using a clock signal |
| 02/10/1998 | US5717676 Apparatus for recording on master optical disc |
| 02/10/1998 | US5717675 Optical head |
| 02/10/1998 | US5717674 Three-beam generating diffraction grating, transmission type holographic optical element and optical pickup apparatus using the same |
| 02/10/1998 | US5717673 Method and apparatus for verifying accuracy of data written on a phase transition optical disk during the writing operation |
| 02/10/1998 | US5717671 Apparatus and method for recording constant interval of silence |
| 02/10/1998 | US5717669 Information recording and playback device and associated disk-type storage medium |
| 02/10/1998 | US5717668 Optical head seek controller for optical disk device |
| 02/10/1998 | US5717667 Optical pickup apparatus including an optical rotation device |
| 02/10/1998 | US5717666 Apparatus for aligning optical axis of optical pick-up |
| 02/10/1998 | US5717548 In a disc drive |
| 02/10/1998 | US5717508 Method for dynamically refreshing angle-multiplexed holograms in photorefractive media |
| 02/10/1998 | US5717450 Data-recordal using fibre lasers |
| 02/10/1998 | US5716761 Double-sided-multi-layered optical disc and a method for manufacturing the same |
| 02/10/1998 | US5716679 Optical elements containing nanoscaled particles and having an embossed surface and process for their preparation |
| 02/10/1998 | US5716674 Selective ring opening by heat or light of pendant dicyclopentadiene groups anchored to substrate to form cyclopentadiene rings |
| 02/09/1998 | CA2204719A1 Zirconia ceramic as a digital storage media |
| 02/05/1998 | WO1998005032A1 Optical disc device |
| 02/05/1998 | WO1998004601A1 Process for the preparation of non-birefringent optical resin and optical elements made by using the resin prepared by the process |
| 02/05/1998 | DE19630969A1 Compact disc with high information density storage capacity |
| 02/04/1998 | EP0822546A2 Storage medium with large capacity |
| 02/04/1998 | EP0822545A2 Optical component and spirobiindan polymer therefor |
| 02/04/1998 | EP0822544A1 Optical recording medium |
| 02/04/1998 | EP0822543A1 Write-once-read-many optical disk |
| 02/04/1998 | EP0822542A2 Apparatus to read and/or write an optical record carrier |
| 02/04/1998 | EP0822239A2 Stain resistant cover composition |
| 02/04/1998 | EP0821825A1 Method and device for recording an optical information carrier |
| 02/04/1998 | CN1172324A Optical recording and reproducing apparatus |
| 02/04/1998 | CN1172323A Optical disc recording method and apparatus |
| 02/04/1998 | CN1172322A Multifunctional optical disk array and using implementation data parallel write/read method |
| 02/04/1998 | CN1172321A Optical disk player |
| 02/03/1998 | US5715508 Apparatus for printing recording media or supports in the form of discs |
| 02/03/1998 | US5715424 Apparatus and method for writing data onto rewritable optical media |
| 02/03/1998 | US5715355 Optical disk having a particular format to store user-selected data, such as video data or computer files, including a dedicated TOC region |
| 02/03/1998 | US5715232 Recording and reproduction of items of information using ROM-RAM storage media |
| 02/03/1998 | US5715231 Objective lens driving apparatus and optical head driving apparatus |
| 02/03/1998 | US5715228 Optical recording apparatus |
| 02/03/1998 | US5715227 Optical pickup device |
| 02/03/1998 | US5715226 Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same |
| 02/03/1998 | US5715225 Multilayer optical data storage device |
| 02/03/1998 | US5715224 Recording medium with synthesis method default value and reproducing device |
| 02/03/1998 | US5715223 Method of measuring a deviation between a centerline between grooves and a control prepit pattern on a disc |
| 02/03/1998 | US5715222 Playback clock generating circuit |